* {
  margin: 0;
  padding: 0;
}
html,body {
  width: 100%;
  height: 100%;
}
#root {
  width: 100%;
  height: 100%;
}
.bao {
  width: 100%;
  height: 100%;
  display: flex;
}
.bao .left {
  width: 80px;
  background: pink;
  overflow-y: auto;
}
.bao .right {
    flex: 1;
    overflow-y: auto;
    background: yellow;
}
.rightbao {
  width: 100%;
  background: blue;
} 